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Bolting, injection and roadways focus at Aachen

THE sixth Aachen International Mining Symposia in Aachen, Germany will this year focus on Rockbol...

Angie Tomlinson
Bolting, injection and roadways focus at Aachen

About 44 presentations by experts from Australia, Canada, Iran, Japan and EU countries including Austria, Germany, Great Britain, Norway, Poland, Sweden, Switzerland and Turkey will be contributed.

“The event is designed to be a place for the exchange of information among experts, which in times of further internationalisation and globalisation must not be limited to national or European borders," event organiser Professor Per Nicolai Martens said.

As of late last week, presentations included:

Rockbolting technology in the roadway support system, RAG Deutsche Steinkohle;

Important mechanisms in sprayed concrete, BASF UGC International;

Rock grouting in extreme geological and weather conditions on Iceland, Najder Engineering;

The use of Hilti OneStep Self Drilling Bolts in high-risk strata conditions, Centennial Angus Place;

Geotechnics in roadway design, RAG Deutsche Steinkohle;

Development of appropriate roof support system and panel layout under weak roof conditions by means of numerical analysis, Kyushu University;

Development and validation of a dynamic model for a cone bolt anchoring system, McGill University;

Design principles and desired performance of bolts for rock support in deep mining, Norwegian University of Science and Technology;

The role of steel mesh in underground coal mine roadway support and the development of a polymeric alternative to steel mesh, University of Wollongong;

An Australian longwall application of a TSL (Thin Spray-on Liner), Dendrobium Mine, BHP Billiton and BASF UGC Australia;

Development of TSL as reactive spray coating for the reinforcement of the exposed rock surface at advance heading operations, Minova Carbotech;

Innovation in GRP rockbolting technology by using SPINSET to pretension GRP Rockbolts, Rockbolt Systems;

Loading tests on corrosion-affected rock anchors at the pumped-storage power plant Waldeck II after 35 years of operation, Federal Institute for Geosciences & Natural Resources, Germany;

3D laser scanning for underground roadway applications, RAG Deutsche Steinkohle, DMT;

The numerical analysis of the roof-bolted opening under dynamic loads, Central Mining Institute, Poland;

The evaluation and applicability of rockbolts in coal mines with regard to the Kerman Province Mines (Iran), Shahid Bahonar University of Kerman;

System behaviour ground/bolting in subsurface construction, Montanuniversity Leoben;

Long tendon reinforcement in coal mines – a state-of-the-art review, Graham Daws Associates, Weldgrip Geotechnical;

On the stability analysis of shallow tunnels in hard rocks by a Hybridized Boundary Element/Finite Difference method, Yazd University;

Development of grouting technics, RAG Deutsche Steinkohle;

Examples of grouting technics in operational applications, RAG Deutsche Steinkohle and Sänger + Lanninger;

Systematic implementation of injection technique secures its success, DMT;

Development and application of new urea silicate resins for strata stabilisation in underground coal mines – first experience from international projects, BASF UGC;

Concrete as a key for strata control in roadways at a depth of greater than 800 metres, RAG Deutsche Steinkohle;

Transport and handling of building materials in hard coal mining tunnel construction, Olko-Maschinentechnik;

Injection/bolting systems with immediate load bearing capacity, according to one/two step procedure, Minova Carbotech;

Pre-injection with rapid hardening micro-cement and colloidal silica for water ingress reduction and ground stabilisation of difficult conditions in a headrace tunnel, BASF;

Stability investigation of Masjedsoleiman Hydropowerplant Cavern by monitoring results, Moshanir Consulting Company;

Numerical calculations for roadway planning in Ukraine, DMT;

Underground support applications at Barrick Gold, Barrick Gold;

Innovation in rib support systems: the development of enhanced support for high deformation gateroads at Daw Mill Colliery, UK Coal and Rock Mechanics Technology;

Development of standing steel support for roadways – a track record, RAG Deutsche Steinkohle and Bochumer Eisenhütte Heintzmann;

Driving through cavities (fault zones) on the Mine SVEA North (Store Norske Spitsbergen Grubekompanie), Minova Carbotech;

The use of the Hilti OneStep Bolt at Broadmeadow Mine, BHP Billiton Mitsubishi Alliance and Hilti;

Portable intelligent drilling machine for visualising roof-rock geostructure, Rambor, Japan Coal Energy Center, Taiheiyo Kouhatsu, Kushiro Coal Mine;

Adding mining specific value to underground network communications, Becker Mining Systems;

Experiences with TBM drives in the Gotthard base tunnel section Bodio, Lombardi SA Engineering;

Experiences with the new cable bolting rig Cabeltec LC at the Kemi Mine in Finland, Atlas Copco Rock Drills;

Gotthard Base Tunnel: Coping with the challenging geological conditions of the multifunctional Station Faido and the subsequent TBM excavations, Amberg Engineering; and

Innovative projects with rockbolting, RAG Deutsche Steinkohle.

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